From Cubs to Cardinals: Who else did it before Willson Contreras?
Willson Contreras becomes a St. Louis Cardinal
MLB Twitter reacts to former Chicago Cubs fan favorite Willson Contreras signing a 5-year, $87.5 million contract with St. Louis Cardinals
Willson Contreras Player Props: Cardinals vs. Cubs
Cardinals address Willson Contreras move amid his Wrigley return - ESPN
Reports: Former Chicago Cub Willson Contreras signs with Cardinals
Cardinals Sign C Willson Contreras - Viva El Birdos
Contreras committed to catching again soon, thrives in return to Wrigley
Former Cubs catcher Willson Contreras removed from catching duties with Cardinals
No Willson Contreras: Astros miss out on catcher in free agency
Ex-Cub Willson Contreras will sign with rival Cardinals - Chicago Sun-Times